Process of reacting upon gases in an inert menstruum



Patented Feb. 2, 1932 v 1,843,862.

UNITED STATES PATENT emee HYYM E. BUG, or Rosanna, NEW JERSEY, ASSIGNCB 'ro srnnnAnn OIL nnvnnor- MENT COMPANY, A oonronnrron or DELAWARE PROCESS OF BEACTING UPON GASES IN AN" INERT MEN STRUUM No Drawing. I Application filed August 26, 1926. Serial No. 131,812.

This invention relates to improvements in 1 The alkylsulfuric acid esters formed" from processes of the type in which reaction be-' olefins by reaction with sulfuric acid, as detween a gas and a reactive liquid is carried scribed, are separated from the gas oil and out in the presence of an inert liquid menhydrolyzed toproduce alcohols in the well- 5. struum capable of absorbing or dissolving the known manner.- The gas oil may be recycled gas. The invention is particularlyadapted for further use in the absorption of olefins. for use in connection with processes in which Ail di ional quantity of .Turkeyfred oil olefins are reacted upon by sulfuric acid in may be added to maintain the efliciency of the admixture with hydrocarbon oil; I have mlxture.

found that this reaction is facilitated to a The interfa'cial-tension-reducing reagentioo marked degree by the presence of a small added to the oil or acid for facilitating reacpercentage of a substance that'lowers the in- 51011 1s p f r 1y T y Ted bu 5 terfacial tension between the two liquids, or I fOIlated V g able Oils, SulfOnated oleic acid, more specifically theinterfacial tension be- 1 S lfonate soaps from the m fa of tweenthe liquids, thereby permitting emulsipetroleum White Oi may. lso e successfully .65 fication and better contact between the reused. The reagent may be added in P agents. 7 formed condition, or may be produced in the The invention will be fully understood e ction medium itself. from the following illustrative example: Compounds such as oleic acid or castor oil Olefin-containing gases, such as gases from will serve. I may in fact use any suitable in- 7 petroleum cracking apparatus, are passed terfacial-tension-reducing agent which is into the lower portion of an absorption tower elther substantially unaifectedby the sulfuric a d flo u wardly th ough baffl lat or 7 acid or y1elds a sulfuric acid reaction product other contact means therein. Sulfuric acid, a g nt r a ial-tensi0n-r ducing properpreferably of about 645 B., and gas oil, are tleS- In m Cases i i p i l 150 ta n the supplied at the upper portion of the tower advantages Of the iHVGIltiOn by the selection and flow downward through it in counterof an inert l m ns uu w i h Q fi current to the gas. Without restricting yadequate amount of sulfonatable compounds. self to any particular theory of reaction, it The proportion of the Turkey e r 0 may be said that the olefinmontaining gases 'Otlll" agent imay be varied COIlSldQIiLblY, but appear to be absorbed more or less completely care Sl10llld be taken 110i) 130 use SO 11111011 as t0 by the oil, in which medium the sulfuric acid orm a stiff em lsion or gel, since reaction is reacts upon them to form alkyl sulfuric acid S W in such a medium. esters. It will be understood that the foregoing 35 According to my invention, about 0. 5%, description is illustrative ofapreferred form by weight, of Turk y ed il lf t d of the invention, and that various changes castor oil) is mixed with the gas oil or acid. a l rn tive pr cedures may be made The Turkey red oil reduces the interfacial Wi hin he Scope of the appended claims in tension between the gas oil and acid and tends whlch it is my intention to claim all novelty to produce a mobile emulsion of the gas oil inherent in the iIlVBIltlOIl as broadly as the and the sulfuric acid. The latter is able to P 1 art permits.

reach and react with a high proportion of the I Cl im:

olefins because of the extended area of con- 1. In the process of reacting upon a gas tact provided by th emul ifioatio with a reactive liquid in admixture with a The emulsion is form d as th i d li substantiallyinert liquid absorbent for the uids flow down through the baffle means in gas, the improvement which comprises carthe tower. This mode of preparing the emulrying. out the reaction in the presence of a subsion is preferred, although it may be prestance which lowers the interfacial tension beliminarily formed in the mixed liquids, which tween said liquids. p

are then introduced into the tower. 2. Process according to claim 1, in which m th interfacial-tension-reducing agent is a sulfonated oil.

3. In the process of reacting upon an olefincontaining gas with sulfuric acid in admix- 5 ture with a hydrocarbon oil capable of dis-- solving olefins,'the improvement which COI11-- prisescarrying out'the reactionin the pres ence of a substance which lowers the inter facial tension of the oil and the acid.

4. Process of esterifying olefins, which comprises introducing an olefin-containing gas into the lower portion-of an absorption. zone, flowing downwardly through such zone a mixture of sulfuric acid, an:o11,-and are 15 agent capable of lowering the tension of the interface between such liquids, and causing said 1 gas and mixture to come into intimatecontact in the absorption *ZOIm.

' -5. ln the processof reactingnpon'an'olafin-containinggas withsulfurlc acid in -admixture with a a hydrocarbon oil capable of dissolving olefins, the improvement which comprises carrying out thereaction in the presence of a smallpercentage o'f -asulfo- '25 nated oil .insuflicient inquantity to form a,

stift gel.

6. 1n the process of-reactingupon a gas- :with a reactive liquid "in the presence of an inert liquid absorbent for .the gas, *the iniprovement-which:comprises carrying out the reaction in the presence of about 0.5% by -weight' of Turkey red oil.

7. Process of esteri'fying olefins, which comprises introducin'g an olefin-containing 9-35 gasdnto the lower portion of an absorption 'zonepand flowing downwardly through such -zone'a 1nixture of sulfuric acid, a hydrocarbon oil; anda'slnall percentage of Turkey red oiliinsufiicient'in quantity to form a stiif gel 40 or oil and-acid.

18. Process according to claim 7, in*which sulfurieacid of 'about 64Gb Be, and gas oil containing about 035% by weight of Turkey red oil J are rused.

HYY'M E. BUC. 

